// DOM Validation v1.4
// Developed by CimpleSite I/S, Denmark
// www.cimplesite.dk
// All rights reserved 2005
// Not for unauthorized use, do not remove this comment.

function Validate(myForm) {
	doFocus = '';
	sMsg = 'The following errors occured:\n';
	iErr = 0;

	for(i = 0;i < myForm.length;i++) {
		switch(myForm[i].getAttribute('validate')) {
			case 'text':
				if (!myForm[i].value) {
					iErr = 1;
					sMsg += '\n\'' + myForm[i].getAttribute('label') + '\' must have a value.';
					myForm[i].style.borderColor = '#E10000';
				}
				break;
			case 'password':
				if (myForm[i].value.length < 6) {
					iErr = 1;
					sMsg += '\n\'' + myForm[i].getAttribute('label') + '\' must be at least 6 characters.';
					myForm[i].style.borderColor = '#E10000';
				} else {
					myForm[i].value = hex_sha1(myForm[i].value);
				}
				break;
			case 'number':
				if (isNaN(myForm[i].value) || !myForm[i].value) {
					iErr = 1;
					sMsg += '\n\'' + myForm[i].getAttribute('label') + '\' must be a number.';
					myForm[i].style.borderColor = '#E10000';
				}
				break;
			case 'email':
				if ((myForm[i].value.indexOf("@") == -1) || (myForm[i].value.indexOf(" ") != -1) || (myForm[i].value.indexOf(",") != -1) || (myForm[i].value.charAt(0) == ".") || (myForm[i].value.charAt(0) == "@") || (myForm[i].value.length < 6) || (myForm[i].value.indexOf(".") == -1) || (myForm[i].value.charAt(myForm[i].value.indexOf("@")+1) == ".") || (myForm[i].value.charAt(myForm[i].value.indexOf("@")-1) == ".")) {
					iErr = 1;
					sMsg += '\n\'' + myForm[i].getAttribute('label') + '\' must be an e-mail address.';
					myForm[i].style.borderColor = '#E10000';
				}
				break;
			case 'link':
				if ((myForm[i].value.indexOf("http://") == -1) || (myForm[i].value.indexOf(" ") != -1) || (myForm[i].value.charAt(0) == ".") || (myForm[i].value.length < 11) || (myForm[i].value.indexOf(".") == -1)) {
					iErr = 1;
					sMsg += '\n\'' + myForm[i].getAttribute('label') + '\' must be an URL.';
					myForm[i].style.borderColor = '#E10000';
				}
				break;
			case 'cpr':
				if (myForm[i].value.length >= 10 && !isNaN(myForm[i].value)) {
					sCPR = stripNoneNumeral(myForm[i].value);

					iA = sCPR.substring(0,1);
					iB = sCPR.substring(1,2);
					iC = sCPR.substring(2,3);
					iD = sCPR.substring(3,4);
					iE = sCPR.substring(4,5);
					iF = sCPR.substring(5,6);
					iG = sCPR.substring(6,7);
					iH = sCPR.substring(7,8);
					iI = sCPR.substring(8,9);
					iJ = sCPR.substring(9,10);

					iCPR = (4 * iA) + (3 * iB) + (2 * iC) + (7 * iD) + (6 * iE) + (5 * iF) + (4 * iG) + (3 * iH) + (2 * iI) + (1 * iJ);
					iMOD = iCPR % 11;
					if (iMOD != 0) {
						iErr = 1;
						sMsg += '\n\'' + myForm[i].getAttribute('label') + '\' must be a danish CPR-number. [DDMMYY-XXYY]';
						myForm[i].style.borderColor = '#E10000';
					}
				} else {
					iErr = 1;
					sMsg += '\n\'' + myForm[i].getAttribute('label') + '\' must be a danish CPR-number. [DDMMYY-XXYY]';
					myForm[i].style.borderColor = '#E10000';
				}
				break;
			case 'select':
				if (!myForm[i].value) {
					iErr = 1;
					sMsg += '\n\'' + myForm[i].getAttribute('label') + '\' must be selected.';
					myForm[i].style.color = '#E10000';
				}
				break;
			case 'check-accept':
				if (myForm[i].checked == false) {
					iErr = 1;
					sMsg += '\n\'' + myForm[i].getAttribute('label') + '\' must be accepted.';
				}
				break;
			case 'none':
				//No validation
				break;

		}
		if (iErr == 1) {
			if (!doFocus) {
				doFocus = myForm[i];
			}
		}
	}

	if (iErr == 1) {
		alert(sMsg);
		try {
			doFocus.focus();
		} catch(e) {
			void(0);
		}
		return false;
	} else {
		return true;
	}
}

function stripNoneNumeral(value) {
	var result = "";
	var tegn = "";

	for (var i=0; i<value.length; i++) {
		tegn = value.substring(i, i+1);
		if  (tegn.match(/[0-9]/)) {
			result += tegn;
		}
	}

	return result;
}

function CheckDate(myField) {
	bDateValid = true;

	if (document.getElementById(myField + 'Day')) {
		dDay = document.getElementById(myField + 'Day')
		dMonth = document.getElementById(myField + 'Month')
		dYear = document.getElementById(myField + 'Year')


		if (dDay.value == '31' && (dMonth.value == '04' || dMonth.value == '06' || dMonth.value == '09' || dMonth.value == '11')) {
			bDateValid = false;
		}

		if (dMonth.value == '02') {
			var isLeap = (dYear.value % 4 == 0 && (dYear.value % 100 != 0 || dYear.value % 400 == 0));
			if (dDay.value > 29 || (dDay.value == 29 && !isLeap)) {
				bDateValid = false;
			}
		}

		if (!bDateValid) {
			dDay.style.color = '#E10000';
			dMonth.style.color = '#E10000';
			dYear.style.color = '#E10000';
		} else {
			dDay.style.color = '#000000';
			dMonth.style.color = '#000000';
			dYear.style.color = '#000000';
		}
	}

	return bDateValid;
}

function isEmail(sValue) {
	if ((sValue.indexOf("@") == -1) || (sValue.indexOf(" ") != -1) || (sValue.charAt(0) == ".") || (sValue.charAt(0) == "@") || (sValue.length < 6) || (sValue.indexOf(".") == -1) || (sValue.charAt(sValue.indexOf("@")+1) == ".") || (sValue.charAt(sValue.indexOf("@")-1) == ".")) {
		return false;
	} else {
		return true;
	}
}

// SHA-1 Cryptographic Function
var hexcase = 0;  /* hex output format. 0 - lowercase; 1 - uppercase        */
var b64pad  = ""; /* base-64 pad character. "=" for strict RFC compliance   */
var chrsz   = 8;  /* bits per input character. 8 - ASCII; 16 - Unicode      */

function hex_sha1(s){return binb2hex(core_sha1(str2binb(s),s.length * chrsz));}
function b64_sha1(s){return binb2b64(core_sha1(str2binb(s),s.length * chrsz));}
function str_sha1(s){return binb2str(core_sha1(str2binb(s),s.length * chrsz));}
function hex_hmac_sha1(key, data){ return binb2hex(core_hmac_sha1(key, data));}
function b64_hmac_sha1(key, data){ return binb2b64(core_hmac_sha1(key, data));}
function str_hmac_sha1(key, data){ return binb2str(core_hmac_sha1(key, data));}

function sha1_vm_test() { return hex_sha1("abc") == "a9993e364706816aba3e25717850c26c9cd0d89d"; }
function core_sha1(x, len) { x[len >> 5] |= 0x80 << (24 - len % 32); x[((len + 64 >> 9) << 4) + 15] = len; var w = Array(80); var a =  1732584193; var b = -271733879; var c = -1732584194; var d =  271733878; var e = -1009589776; for(var i = 0; i < x.length; i += 16) { var olda = a; var oldb = b; var oldc = c; var oldd = d; var olde = e; for(var j = 0; j < 80; j++) { if(j < 16) w[j] = x[i + j]; else w[j] = rol(w[j-3] ^ w[j-8] ^ w[j-14] ^ w[j-16], 1); var t = safe_add(safe_add(rol(a, 5), sha1_ft(j, b, c, d)), safe_add(safe_add(e, w[j]), sha1_kt(j))); e = d; d = c; c = rol(b, 30); b = a; a = t; } a = safe_add(a, olda); b = safe_add(b, oldb); c = safe_add(c, oldc); d = safe_add(d, oldd); e = safe_add(e, olde); } return Array(a, b, c, d, e); }
function sha1_ft(t, b, c, d) { if(t < 20) return (b & c) | ((~b) & d); if(t < 40) return b ^ c ^ d; if(t < 60) return (b & c) | (b & d) | (c & d); return b ^ c ^ d; }
function sha1_kt(t) { return (t < 20) ?  1518500249 : (t < 40) ?  1859775393 : (t < 60) ? -1894007588 : -899497514; }
function core_hmac_sha1(key, data) { var bkey = str2binb(key); if(bkey.length > 16) bkey = core_sha1(bkey, key.length * chrsz); var ipad = Array(16), opad = Array(16); for(var i = 0; i < 16; i++) { ipad[i] = bkey[i] ^ 0x36363636; opad[i] = bkey[i] ^ 0x5C5C5C5C; } var hash = core_sha1(ipad.concat(str2binb(data)), 512 + data.length * chrsz); return core_sha1(opad.concat(hash), 512 + 160); }
function safe_add(x, y) { var lsw = (x & 0xFFFF) + (y & 0xFFFF); var msw = (x >> 16) + (y >> 16) + (lsw >> 16); return (msw << 16) | (lsw & 0xFFFF); }
function rol(num, cnt) { return (num << cnt) | (num >>> (32 - cnt)); }
function str2binb(str) { var bin = Array(); var mask = (1 << chrsz) - 1; for(var i = 0; i < str.length * chrsz; i += chrsz) bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (32 - chrsz - i%32); return bin; }
function binb2str(bin) { var str = ""; var mask = (1 << chrsz) - 1; for(var i = 0; i < bin.length * 32; i += chrsz) str += String.fromCharCode((bin[i>>5] >>> (32 - chrsz - i%32)) & mask); return str; }
function binb2hex(binarray) { var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef"; var str = ""; for(var i = 0; i < binarray.length * 4; i++) { str += hex_tab.charAt((binarray[i>>2] >> ((3 - i%4)*8+4)) & 0xF) + hex_tab.charAt((binarray[i>>2] >> ((3 - i%4)*8  )) & 0xF); } return str; }
function binb2b64(binarray) { var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; var str = ""; for(var i = 0; i < binarray.length * 4; i += 3) { var triplet = (((binarray[i   >> 2] >> 8 * (3 -  i   %4)) & 0xFF) << 16) | (((binarray[i+1 >> 2] >> 8 * (3 - (i+1)%4)) & 0xFF) << 8 ) |  ((binarray[i+2 >> 2] >> 8 * (3 - (i+2)%4)) & 0xFF); for(var j = 0; j < 4; j++) { if(i * 8 + j * 6 > binarray.length * 32) str += b64pad; else str += tab.charAt((triplet >> 6*(3-j)) & 0x3F); } } return str; }